81215624

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 181094400

約数和(自身を除く): 99878776

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 59, 94, 118, 188, 236, 329, 376, 413, 472, 523, 658, 826, 1046, 1316, 1652, 2092, 2632, 2773, 3304, 3661, 4184, 5546, 7322, 11092, 14644, 19411, 22184, 24581, 29288, 30857, 38822, 49162, 61714, 77644, 98324, 123428, 155288, 172067, 196648, 215999, 246856, 344134, 431998, 688268, 863996, 1376536, 1450279, 1727992, 2900558, 5801116, 10151953, 11602232, 20303906, 40607812, 81215624]

約数ペア:

[(1, 81215624), (2, 40607812), (4, 20303906), (7, 11602232), (8, 10151953), (14, 5801116), (28, 2900558), (47, 1727992), (56, 1450279), (59, 1376536), (94, 863996), (118, 688268), (188, 431998), (236, 344134), (329, 246856), (376, 215999), (413, 196648), (472, 172067), (523, 155288), (658, 123428), (826, 98324), (1046, 77644), (1316, 61714), (1652, 49162), (2092, 38822), (2632, 30857), (2773, 29288), (3304, 24581), (3661, 22184), (4184, 19411), (5546, 14644), (7322, 11092)]